GB326826A - Improvements in or relating to apparatus for use in telephone systems - Google Patents

Improvements in or relating to apparatus for use in telephone systems

Info

Publication number
GB326826A
GB326826A GB3394328A GB3394328A GB326826A GB 326826 A GB326826 A GB 326826A GB 3394328 A GB3394328 A GB 3394328A GB 3394328 A GB3394328 A GB 3394328A GB 326826 A GB326826 A GB 326826A
Authority
GB
United Kingdom
Prior art keywords
knob
depressed
stud
spring
catch
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB3394328A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Associated Telephone and Telegraph Co
Original Assignee
Associated Telephone and Telegraph Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to BE364146D priority Critical patent/BE364146A/xx
Application filed by Associated Telephone and Telegraph Co filed Critical Associated Telephone and Telegraph Co
Priority to GB3394328A priority patent/GB326826A/en
Publication of GB326826A publication Critical patent/GB326826A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/26—Devices for calling a subscriber
    • H04M1/52—Arrangements wherein a dial or the like is mechanically coupled to a line selector

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
GB3394328A 1928-11-19 1928-11-19 Improvements in or relating to apparatus for use in telephone systems Expired GB326826A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
BE364146D BE364146A (OSRAM) 1928-11-19
GB3394328A GB326826A (en) 1928-11-19 1928-11-19 Improvements in or relating to apparatus for use in telephone systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3394328A GB326826A (en) 1928-11-19 1928-11-19 Improvements in or relating to apparatus for use in telephone systems

Publications (1)

Publication Number Publication Date
GB326826A true GB326826A (en) 1930-03-19

Family

ID=10359377

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3394328A Expired GB326826A (en) 1928-11-19 1928-11-19 Improvements in or relating to apparatus for use in telephone systems

Country Status (2)

Country Link
BE (1) BE364146A (OSRAM)
GB (1) GB326826A (OSRAM)

Also Published As

Publication number Publication date
BE364146A (OSRAM)

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